On the distance-time graph, the curved line represents how a toy car moves. The straight line is the tangent to the curve at $10\,\text{s}$. Determine the speed of the toy car at $10\,\text{s}$.
- A$0.3\,\text{m s}^{-1}$
- B$0.6\,\text{m s}^{-1}$
- C$1.7\,\text{m s}^{-1}$
- D$3.3\,\text{m s}^{-1}$